Minor cleanup related to my latest scheduler changes.

[oota-llvm.git] / docs / ExceptionHandling.html

diff --git a/docs/ExceptionHandling.html b/docs/ExceptionHandling.html
index ded9b36f1553a18129ea8ccc7902a31ae1196a50..d597ffb3c8b31703603ba85a1fed892f82ef147d 100644 (file)
--- a/docs/ExceptionHandling.html
+++ b/docs/ExceptionHandling.html
@@ -39,6 +39,8 @@
        <li><a href="#llvm_eh_sjlj_setjmp"><tt>llvm.eh.sjlj.setjmp</tt></a></li>
        <li><a href="#llvm_eh_sjlj_longjmp"><tt>llvm.eh.sjlj.longjmp</tt></a></li>
        <li><a href="#llvm_eh_sjlj_lsda"><tt>llvm.eh.sjlj.lsda</tt></a></li>
+       <li><a href="#llvm_eh_sjlj_callsite"><tt>llvm.eh.sjlj.callsite</tt></a></li>
+       <li><a href="#llvm_eh_sjlj_dispatchsetup"><tt>llvm.eh.sjlj.dispatchsetup</tt></a></li>
   </ol></li>
   <li><a href="#asm">Asm Table Formats</a>
   <ol>
@@ -295,15 +297,17 @@
   <li><tt>__cxa_begin_catch</tt> takes a exception structure reference as an
       argument and returns the value of the exception object.</li>
 
-  <li><tt>__cxa_end_catch</tt> takes no arguments. This function
-  <ul>Locates the most recently caught exception and decrements its handler
-      count.</ul>
-  <ul>Removes the exception from the "caught" stack if the handler count goes
-      to zero.</ul>
-  <ul>Destroys the exception if the handler count goes to zero, and the
-      exception was not re-thrown by throw.</ul>
-      Note: a rethrow from within the catch may replace this call with
-      a <tt>__cxa_rethrow</tt>.</li>
+  <li><tt>__cxa_end_catch</tt> takes no arguments. This function:<br><br>
+    <ol>
+      <li>Locates the most recently caught exception and decrements its handler
+          count,</li>
+      <li>Removes the exception from the "caught" stack if the handler count
+          goes to zero, and</li>
+      <li>Destroys the exception if the handler count goes to zero, and the
+          exception was not re-thrown by throw.</li>
+    </ol>
+    <p>Note: a rethrow from within the catch may replace this call with
+       a <tt>__cxa_rethrow</tt>.</p></li>
 </ul>
 
 </div>
@@ -401,7 +405,7 @@
 <div class="doc_text">
 
 <pre>
-  i8* %<a href="#llvm_eh_exception">llvm.eh.exception</a>( )
+  i8* %<a href="#llvm_eh_exception">llvm.eh.exception</a>()
 </pre>
 
 <p>This intrinsic returns a pointer to the exception structure.</p>
@@ -416,8 +420,7 @@
 <div class="doc_text">
 
 <pre>
-  i32 %<a href="#llvm_eh_selector">llvm.eh.selector.i32</a>(i8*, i8*, i8*, ...)
-  i64 %<a href="#llvm_eh_selector">llvm.eh.selector.i64</a>(i8*, i8*, i8*, ...)
+  i32 %<a href="#llvm_eh_selector">llvm.eh.selector</a>(i8*, i8*, ...)
 </pre>
 
 <p>This intrinsic is used to compare the exception with the given type infos,
@@ -449,8 +452,7 @@
 <div class="doc_text">
 
 <pre>
-  i32 %<a href="#llvm_eh_typeid_for">llvm.eh.typeid.for.i32</a>(i8*)
-  i64 %<a href="#llvm_eh_typeid_for">llvm.eh.typeid.for.i64</a>(i8*)
+  i32 %<a href="#llvm_eh_typeid_for">llvm.eh.typeid.for</a>(i8*)
 </pre>
 
 <p>This intrinsic returns the type info index in the exception table of the
@@ -489,6 +491,26 @@
 
 </div>
 
+<!-- ======================================================================= -->
+<div class="doc_subsubsection">
+  <a name="llvm_eh_sjlj_longjmp">llvm.eh.sjlj.longjmp</a>
+</div>
+
+<div class="doc_text">
+
+<pre>
+  void %<a href="#llvm_eh_sjlj_longjmp">llvm.eh.sjlj.setjmp</a>(i8*)
+</pre>
+
+<p>The <a href="#llvm_eh_sjlj_longjmp"><tt>llvm.eh.sjlj.longjmp</tt></a>
+   intrinsic is used to implement <tt>__builtin_longjmp()</tt> for SJLJ
+   style exception handling. The single parameter is a pointer to a
+   buffer populated by <a href="#llvm_eh_sjlj_setjmp">
+     <tt>llvm.eh.sjlj.setjmp</tt></a>. The frame pointer and stack pointer
+   are restored from the buffer, then control is transfered to the
+   destination address.</p>
+
+</div>
 <!-- ======================================================================= -->
 <div class="doc_subsubsection">
   <a name="llvm_eh_sjlj_lsda">llvm.eh.sjlj.lsda</a>
@@ -497,7 +519,7 @@
 <div class="doc_text">
 
 <pre>
-  i8* %<a href="#llvm_eh_sjlj_lsda">llvm.eh.sjlj.lsda</a>( )
+  i8* %<a href="#llvm_eh_sjlj_lsda">llvm.eh.sjlj.lsda</a>()
 </pre>
 
 <p>Used for SJLJ based exception handling, the <a href="#llvm_eh_sjlj_lsda">
@@ -508,6 +530,41 @@
 
 </div>
 
+<!-- ======================================================================= -->
+<div class="doc_subsubsection">
+  <a name="llvm_eh_sjlj_callsite">llvm.eh.sjlj.callsite</a>
+</div>
+
+<div class="doc_text">
+
+<pre>
+  void %<a href="#llvm_eh_sjlj_callsite">llvm.eh.sjlj.callsite</a>(i32)
+</pre>
+
+<p>For SJLJ based exception handling, the <a href="#llvm_eh_sjlj_callsite">
+  <tt>llvm.eh.sjlj.callsite</tt></a> intrinsic identifies the callsite value
+  associated with the following invoke instruction. This is used to ensure
+  that landing pad entries in the LSDA are generated in the matching order.</p>
+
+</div>
+
+<!-- ======================================================================= -->
+<div class="doc_subsubsection">
+  <a name="llvm_eh_sjlj_dispatchsetup">llvm.eh.sjlj.dispatchsetup</a>
+</div>
+
+<div class="doc_text">
+
+<pre>
+  void %<a href="#llvm_eh_sjlj_dispatchsetup">llvm.eh.sjlj.dispatchsetup</a>(i32)
+</pre>
+
+<p>For SJLJ based exception handling, the <a href="#llvm_eh_sjlj_dispatchsetup">
+  <tt>llvm.eh.sjlj.dispatchsetup</tt></a> intrinsic is used by targets to do
+  any unwind-edge setup they need. By default, no action is taken.  </p>
+
+</div>
+
 <!-- ======================================================================= -->
 <div class="doc_section">
   <a name="asm">Asm Table Formats</a>